c)
Do not spray the unit with a stream of water or immerse it in water.
d)
Make sure that no water enters through the ventilation openings in the casing.
e)
Perform regular inspections of the unit checking technical fitness and any
damages.
f)
Use a soft cloth for cleaning.
g)
Do not leave the batteries in the unit when it will not be used for a long time.
h)
Do not use sharp and/or metal objects (e.g. wire brush or metal spatula) for
cleaning as they may damage the surface of the appliance material.
i)
Regularly clean the lens and solar cells - preferably with a soft unprinted wipe
or cotton cloth (e.g. microfiber) and alcohol (e.g. isopropanol).
j)
Use only natural detergents to clean the inside of the product and the
headband.
k)
Battery replacement:
To replace the battery, slide out the battery drawer located in the filter control
module (on the inside of the mask). The battery is located in this drawer.
Remove the used battery, put a new one in its place, and insert the drawer
back:
IMPORTANT: when installing the battery, pay attention to the correct polarity,
i.e. the positive pole (+) should face the inside of the mask.
After installing the battery, check the operation of the filter by performing the
test (g) - see the previous section.
l)
Regularly replace the outer and inner protective lenses.
Replacing the outer lens - lightly press the latch and slide the lock (a) from
•
front to back, then squeeze to remove the insert holder (b). Remove the
protective lens from the holder and replace it with a new one,
remembering to remove the protective film from it. Slide the 2 slots into
the bottom of the insert holder: